./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 33fa46fe030c661ecf8ddae0fe7d2b7598ab4fcf90a09fe31211d00189cd239f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 16:29:48,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 16:29:48,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 16:29:48,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 16:29:48,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 16:29:48,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 16:29:48,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 16:29:48,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 16:29:48,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 16:29:48,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 16:29:48,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 16:29:48,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 16:29:48,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 16:29:48,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 16:29:48,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 16:29:48,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 16:29:48,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 16:29:48,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 16:29:48,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 16:29:48,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 16:29:48,888 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 16:29:48,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 16:29:48,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 16:29:48,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 16:29:48,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 16:29:48,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 16:29:48,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 16:29:48,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 16:29:48,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 16:29:48,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 16:29:48,901 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 16:29:48,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 16:29:48,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 16:29:48,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 16:29:48,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 16:29:48,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 16:29:48,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 16:29:48,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 16:29:48,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 16:29:48,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 16:29:48,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 16:29:48,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 16:29:48,910 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 16:29:48,939 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 16:29:48,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 16:29:48,940 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 16:29:48,941 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 16:29:48,941 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 16:29:48,941 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 16:29:48,942 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 16:29:48,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 16:29:48,942 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 16:29:48,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 16:29:48,944 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 16:29:48,944 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 16:29:48,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 16:29:48,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 16:29:48,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 16:29:48,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 16:29:48,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 16:29:48,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 16:29:48,945 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 16:29:48,947 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 16:29:48,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 16:29:48,947 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 16:29:48,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 16:29:48,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 16:29:48,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 16:29:48,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 16:29:48,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:29:48,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 16:29:48,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 16:29:48,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 16:29:48,949 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 16:29:48,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 16:29:48,949 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 16:29:48,949 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 16:29:48,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 16:29:48,950 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33fa46fe030c661ecf8ddae0fe7d2b7598ab4fcf90a09fe31211d00189cd239f [2022-04-18 16:29:49,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 16:29:49,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 16:29:49,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 16:29:49,192 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 16:29:49,192 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 16:29:49,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-04-18 16:29:49,251 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95c6add02/c47effda15d849fe88e8299d80fb4b38/FLAG0c45fe6e3 [2022-04-18 16:29:49,762 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 16:29:49,763 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-04-18 16:29:49,776 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95c6add02/c47effda15d849fe88e8299d80fb4b38/FLAG0c45fe6e3 [2022-04-18 16:29:50,069 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95c6add02/c47effda15d849fe88e8299d80fb4b38 [2022-04-18 16:29:50,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 16:29:50,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 16:29:50,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 16:29:50,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 16:29:50,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 16:29:50,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:29:50" (1/1) ... [2022-04-18 16:29:50,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b9dc68f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:29:50, skipping insertion in model container [2022-04-18 16:29:50,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:29:50" (1/1) ... [2022-04-18 16:29:50,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 16:29:50,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 16:29:50,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-04-18 16:29:50,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:29:50,458 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 16:29:50,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-04-18 16:29:50,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:29:50,520 INFO L208 MainTranslator]: Completed translation [2022-04-18 16:29:50,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:29:50 WrapperNode [2022-04-18 16:29:50,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 16:29:50,522 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 16:29:50,522 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 16:29:50,522 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 16:29:50,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:29:50" (1/1) ... [2022-04-18 16:29:50,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:29:50" (1/1) ... [2022-04-18 16:29:50,559 INFO L137 Inliner]: procedures = 177, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 119 [2022-04-18 16:29:50,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 16:29:50,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 16:29:50,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 16:29:50,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 16:29:50,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:29:50" (1/1) ... [2022-04-18 16:29:50,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:29:50" (1/1) ... [2022-04-18 16:29:50,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:29:50" (1/1) ... [2022-04-18 16:29:50,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:29:50" (1/1) ... [2022-04-18 16:29:50,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:29:50" (1/1) ... [2022-04-18 16:29:50,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:29:50" (1/1) ... [2022-04-18 16:29:50,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:29:50" (1/1) ... [2022-04-18 16:29:50,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 16:29:50,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 16:29:50,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 16:29:50,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 16:29:50,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:29:50" (1/1) ... [2022-04-18 16:29:50,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:29:50,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 16:29:50,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 16:29:50,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 16:29:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 16:29:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 16:29:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 16:29:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 16:29:50,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 16:29:50,657 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-04-18 16:29:50,657 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-04-18 16:29:50,657 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-04-18 16:29:50,657 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-04-18 16:29:50,658 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-04-18 16:29:50,658 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-04-18 16:29:50,658 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-04-18 16:29:50,658 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-04-18 16:29:50,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 16:29:50,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 16:29:50,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 16:29:50,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 16:29:50,660 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 16:29:50,800 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 16:29:50,802 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 16:29:51,067 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 16:29:51,208 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 16:29:51,208 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 16:29:51,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:29:51 BoogieIcfgContainer [2022-04-18 16:29:51,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 16:29:51,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 16:29:51,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 16:29:51,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 16:29:51,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:29:50" (1/3) ... [2022-04-18 16:29:51,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b074ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:29:51, skipping insertion in model container [2022-04-18 16:29:51,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:29:50" (2/3) ... [2022-04-18 16:29:51,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b074ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:29:51, skipping insertion in model container [2022-04-18 16:29:51,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:29:51" (3/3) ... [2022-04-18 16:29:51,219 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-04-18 16:29:51,225 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 16:29:51,225 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 16:29:51,225 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2022-04-18 16:29:51,225 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 16:29:51,290 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 16:29:51,341 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 16:29:51,347 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-18 16:29:51,349 INFO L341 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2022-04-18 16:29:51,361 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 154 places, 143 transitions, 306 flow [2022-04-18 16:29:51,418 INFO L129 PetriNetUnfolder]: 2/139 cut-off events. [2022-04-18 16:29:51,418 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:29:51,422 INFO L84 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 139 events. 2/139 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 157 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 117. Up to 2 conditions per place. [2022-04-18 16:29:51,423 INFO L82 GeneralOperation]: Start removeDead. Operand has 154 places, 143 transitions, 306 flow [2022-04-18 16:29:51,431 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 150 places, 139 transitions, 290 flow [2022-04-18 16:29:51,442 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2022-04-18 16:29:51,443 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:29:51,443 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:29:51,444 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:29:51,445 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2022-04-18 16:29:51,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:29:51,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1741302647, now seen corresponding path program 1 times [2022-04-18 16:29:51,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:29:51,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766353442] [2022-04-18 16:29:51,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:29:51,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:29:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:29:51,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:29:51,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:29:51,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766353442] [2022-04-18 16:29:51,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766353442] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:29:51,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:29:51,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-04-18 16:29:51,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137573292] [2022-04-18 16:29:51,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:29:51,704 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 16:29:51,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:29:51,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 16:29:51,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 16:29:51,735 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 143 [2022-04-18 16:29:51,740 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 139 transitions, 290 flow. Second operand has 2 states, 2 states have (on average 96.0) internal successors, (192), 2 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:29:51,740 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:29:51,740 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 143 [2022-04-18 16:29:51,742 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:29:52,478 INFO L129 PetriNetUnfolder]: 2220/3773 cut-off events. [2022-04-18 16:29:52,479 INFO L130 PetriNetUnfolder]: For 85/85 co-relation queries the response was YES. [2022-04-18 16:29:52,497 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7021 conditions, 3773 events. 2220/3773 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 25509 event pairs, 2220 based on Foata normal form. 360/3975 useless extension candidates. Maximal degree in co-relation 6984. Up to 3073 conditions per place. [2022-04-18 16:29:52,531 INFO L132 encePairwiseOnDemand]: 114/143 looper letters, 18 selfloop transitions, 0 changer transitions 0/109 dead transitions. [2022-04-18 16:29:52,531 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 109 transitions, 266 flow [2022-04-18 16:29:52,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:29:52,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-04-18 16:29:52,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 237 transitions. [2022-04-18 16:29:52,548 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8286713286713286 [2022-04-18 16:29:52,549 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 237 transitions. [2022-04-18 16:29:52,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 237 transitions. [2022-04-18 16:29:52,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:29:52,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 237 transitions. [2022-04-18 16:29:52,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 118.5) internal successors, (237), 2 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:29:52,564 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 143.0) internal successors, (429), 3 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:29:52,564 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 143.0) internal successors, (429), 3 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:29:52,566 INFO L186 Difference]: Start difference. First operand has 150 places, 139 transitions, 290 flow. Second operand 2 states and 237 transitions. [2022-04-18 16:29:52,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 109 transitions, 266 flow [2022-04-18 16:29:52,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 109 transitions, 262 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:29:52,574 INFO L242 Difference]: Finished difference. Result has 119 places, 109 transitions, 226 flow [2022-04-18 16:29:52,576 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=226, PETRI_PLACES=119, PETRI_TRANSITIONS=109} [2022-04-18 16:29:52,580 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, -31 predicate places. [2022-04-18 16:29:52,580 INFO L478 AbstractCegarLoop]: Abstraction has has 119 places, 109 transitions, 226 flow [2022-04-18 16:29:52,581 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 96.0) internal successors, (192), 2 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:29:52,581 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:29:52,582 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:29:52,582 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 16:29:52,582 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2022-04-18 16:29:52,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:29:52,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1251184623, now seen corresponding path program 1 times [2022-04-18 16:29:52,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:29:52,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148828731] [2022-04-18 16:29:52,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:29:52,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:29:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:29:52,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:29:52,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:29:52,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148828731] [2022-04-18 16:29:52,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148828731] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:29:52,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:29:52,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:29:52,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003313964] [2022-04-18 16:29:52,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:29:52,747 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:29:52,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:29:52,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:29:52,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:29:52,750 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 143 [2022-04-18 16:29:52,751 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 109 transitions, 226 flow. Second operand has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:29:52,751 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:29:52,752 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 143 [2022-04-18 16:29:52,752 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:29:54,105 INFO L129 PetriNetUnfolder]: 3756/13043 cut-off events. [2022-04-18 16:29:54,106 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:29:54,145 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18336 conditions, 13043 events. 3756/13043 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 356. Compared 147234 event pairs, 1452 based on Foata normal form. 0/12228 useless extension candidates. Maximal degree in co-relation 18333. Up to 3072 conditions per place. [2022-04-18 16:29:54,201 INFO L132 encePairwiseOnDemand]: 141/143 looper letters, 31 selfloop transitions, 1 changer transitions 0/120 dead transitions. [2022-04-18 16:29:54,201 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 120 transitions, 312 flow [2022-04-18 16:29:54,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:29:54,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:29:54,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 309 transitions. [2022-04-18 16:29:54,207 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7202797202797203 [2022-04-18 16:29:54,207 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 309 transitions. [2022-04-18 16:29:54,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 309 transitions. [2022-04-18 16:29:54,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:29:54,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 309 transitions. [2022-04-18 16:29:54,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:29:54,211 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 143.0) internal successors, (572), 4 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:29:54,212 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 143.0) internal successors, (572), 4 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:29:54,212 INFO L186 Difference]: Start difference. First operand has 119 places, 109 transitions, 226 flow. Second operand 3 states and 309 transitions. [2022-04-18 16:29:54,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 120 transitions, 312 flow [2022-04-18 16:29:54,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 120 transitions, 312 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 16:29:54,217 INFO L242 Difference]: Finished difference. Result has 120 places, 108 transitions, 226 flow [2022-04-18 16:29:54,217 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=226, PETRI_PLACES=120, PETRI_TRANSITIONS=108} [2022-04-18 16:29:54,218 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, -30 predicate places. [2022-04-18 16:29:54,219 INFO L478 AbstractCegarLoop]: Abstraction has has 120 places, 108 transitions, 226 flow [2022-04-18 16:29:54,219 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:29:54,219 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:29:54,219 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:29:54,219 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 16:29:54,220 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2022-04-18 16:29:54,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:29:54,221 INFO L85 PathProgramCache]: Analyzing trace with hash -812596480, now seen corresponding path program 1 times [2022-04-18 16:29:54,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:29:54,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405156412] [2022-04-18 16:29:54,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:29:54,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:29:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:29:54,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:29:54,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:29:54,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405156412] [2022-04-18 16:29:54,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405156412] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:29:54,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:29:54,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:29:54,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89329415] [2022-04-18 16:29:54,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:29:54,311 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:29:54,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:29:54,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:29:54,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:29:54,313 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 143 [2022-04-18 16:29:54,315 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 108 transitions, 226 flow. Second operand has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:29:54,315 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:29:54,315 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 143 [2022-04-18 16:29:54,315 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:29:55,312 INFO L129 PetriNetUnfolder]: 3756/10662 cut-off events. [2022-04-18 16:29:55,313 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:29:55,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15957 conditions, 10662 events. 3756/10662 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 109599 event pairs, 2220 based on Foata normal form. 0/10251 useless extension candidates. Maximal degree in co-relation 15953. Up to 3073 conditions per place. [2022-04-18 16:29:55,359 INFO L132 encePairwiseOnDemand]: 141/143 looper letters, 0 selfloop transitions, 0 changer transitions 119/119 dead transitions. [2022-04-18 16:29:55,359 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 119 transitions, 312 flow [2022-04-18 16:29:55,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:29:55,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:29:55,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 309 transitions. [2022-04-18 16:29:55,362 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7202797202797203 [2022-04-18 16:29:55,363 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 309 transitions. [2022-04-18 16:29:55,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 309 transitions. [2022-04-18 16:29:55,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:29:55,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 309 transitions. [2022-04-18 16:29:55,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:29:55,366 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 143.0) internal successors, (572), 4 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:29:55,366 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 143.0) internal successors, (572), 4 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:29:55,366 INFO L186 Difference]: Start difference. First operand has 120 places, 108 transitions, 226 flow. Second operand 3 states and 309 transitions. [2022-04-18 16:29:55,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 119 transitions, 312 flow [2022-04-18 16:29:55,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 119 transitions, 311 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:29:55,369 INFO L242 Difference]: Finished difference. Result has 120 places, 0 transitions, 0 flow [2022-04-18 16:29:55,370 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=120, PETRI_TRANSITIONS=0} [2022-04-18 16:29:55,372 INFO L335 CegarLoopForPetriNet]: 150 programPoint places, -30 predicate places. [2022-04-18 16:29:55,372 INFO L478 AbstractCegarLoop]: Abstraction has has 120 places, 0 transitions, 0 flow [2022-04-18 16:29:55,372 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:29:55,374 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (52 of 53 remaining) [2022-04-18 16:29:55,375 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (51 of 53 remaining) [2022-04-18 16:29:55,375 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (50 of 53 remaining) [2022-04-18 16:29:55,375 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (49 of 53 remaining) [2022-04-18 16:29:55,376 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (48 of 53 remaining) [2022-04-18 16:29:55,376 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (47 of 53 remaining) [2022-04-18 16:29:55,376 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (46 of 53 remaining) [2022-04-18 16:29:55,377 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (45 of 53 remaining) [2022-04-18 16:29:55,377 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (44 of 53 remaining) [2022-04-18 16:29:55,380 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (43 of 53 remaining) [2022-04-18 16:29:55,381 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (42 of 53 remaining) [2022-04-18 16:29:55,382 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (41 of 53 remaining) [2022-04-18 16:29:55,382 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (40 of 53 remaining) [2022-04-18 16:29:55,382 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (39 of 53 remaining) [2022-04-18 16:29:55,382 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (38 of 53 remaining) [2022-04-18 16:29:55,383 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONDATA_RACE (37 of 53 remaining) [2022-04-18 16:29:55,383 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONDATA_RACE (36 of 53 remaining) [2022-04-18 16:29:55,383 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P3Err2ASSERT_VIOLATIONDATA_RACE (35 of 53 remaining) [2022-04-18 16:29:55,383 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P3Err3ASSERT_VIOLATIONDATA_RACE (34 of 53 remaining) [2022-04-18 16:29:55,383 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P3Err4ASSERT_VIOLATIONDATA_RACE (33 of 53 remaining) [2022-04-18 16:29:55,384 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (32 of 53 remaining) [2022-04-18 16:29:55,384 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (31 of 53 remaining) [2022-04-18 16:29:55,384 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (30 of 53 remaining) [2022-04-18 16:29:55,384 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (29 of 53 remaining) [2022-04-18 16:29:55,384 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (28 of 53 remaining) [2022-04-18 16:29:55,385 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (27 of 53 remaining) [2022-04-18 16:29:55,385 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (26 of 53 remaining) [2022-04-18 16:29:55,385 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (25 of 53 remaining) [2022-04-18 16:29:55,385 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (24 of 53 remaining) [2022-04-18 16:29:55,385 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 53 remaining) [2022-04-18 16:29:55,386 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 53 remaining) [2022-04-18 16:29:55,386 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 53 remaining) [2022-04-18 16:29:55,386 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 53 remaining) [2022-04-18 16:29:55,386 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (19 of 53 remaining) [2022-04-18 16:29:55,387 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (18 of 53 remaining) [2022-04-18 16:29:55,387 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (17 of 53 remaining) [2022-04-18 16:29:55,388 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (16 of 53 remaining) [2022-04-18 16:29:55,390 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (15 of 53 remaining) [2022-04-18 16:29:55,390 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (14 of 53 remaining) [2022-04-18 16:29:55,390 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (13 of 53 remaining) [2022-04-18 16:29:55,391 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (12 of 53 remaining) [2022-04-18 16:29:55,394 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (11 of 53 remaining) [2022-04-18 16:29:55,395 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (10 of 53 remaining) [2022-04-18 16:29:55,395 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (9 of 53 remaining) [2022-04-18 16:29:55,395 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (8 of 53 remaining) [2022-04-18 16:29:55,396 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (7 of 53 remaining) [2022-04-18 16:29:55,400 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (6 of 53 remaining) [2022-04-18 16:29:55,400 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (5 of 53 remaining) [2022-04-18 16:29:55,400 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONDATA_RACE (4 of 53 remaining) [2022-04-18 16:29:55,400 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONDATA_RACE (3 of 53 remaining) [2022-04-18 16:29:55,401 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P3Err2ASSERT_VIOLATIONDATA_RACE (2 of 53 remaining) [2022-04-18 16:29:55,401 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P3Err3ASSERT_VIOLATIONDATA_RACE (1 of 53 remaining) [2022-04-18 16:29:55,401 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P3Err4ASSERT_VIOLATIONDATA_RACE (0 of 53 remaining) [2022-04-18 16:29:55,401 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 16:29:55,407 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-04-18 16:29:55,411 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 16:29:55,411 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 16:29:55,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 04:29:55 BasicIcfg [2022-04-18 16:29:55,415 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 16:29:55,415 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 16:29:55,415 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 16:29:55,415 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 16:29:55,416 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:29:51" (3/4) ... [2022-04-18 16:29:55,418 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 16:29:55,422 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-04-18 16:29:55,422 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-04-18 16:29:55,422 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-04-18 16:29:55,422 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2022-04-18 16:29:55,430 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2022-04-18 16:29:55,430 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2022-04-18 16:29:55,431 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-04-18 16:29:55,431 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 16:29:55,477 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-04-18 16:29:55,477 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 16:29:55,478 INFO L158 Benchmark]: Toolchain (without parser) took 5405.50ms. Allocated memory was 88.1MB in the beginning and 467.7MB in the end (delta: 379.6MB). Free memory was 52.9MB in the beginning and 159.7MB in the end (delta: -106.8MB). Peak memory consumption was 272.9MB. Max. memory is 16.1GB. [2022-04-18 16:29:55,478 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory was 60.0MB in the beginning and 59.9MB in the end (delta: 27.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 16:29:55,478 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.63ms. Allocated memory is still 88.1MB. Free memory was 52.7MB in the beginning and 52.1MB in the end (delta: 661.4kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-04-18 16:29:55,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.96ms. Allocated memory is still 88.1MB. Free memory was 52.1MB in the beginning and 50.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 16:29:55,479 INFO L158 Benchmark]: Boogie Preprocessor took 25.07ms. Allocated memory is still 88.1MB. Free memory was 50.0MB in the beginning and 48.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 16:29:55,479 INFO L158 Benchmark]: RCFGBuilder took 624.62ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 48.4MB in the beginning and 66.7MB in the end (delta: -18.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2022-04-18 16:29:55,480 INFO L158 Benchmark]: TraceAbstraction took 4202.54ms. Allocated memory was 107.0MB in the beginning and 467.7MB in the end (delta: 360.7MB). Free memory was 66.0MB in the beginning and 164.9MB in the end (delta: -98.9MB). Peak memory consumption was 312.0MB. Max. memory is 16.1GB. [2022-04-18 16:29:55,480 INFO L158 Benchmark]: Witness Printer took 62.10ms. Allocated memory is still 467.7MB. Free memory was 164.9MB in the beginning and 159.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-04-18 16:29:55,481 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory was 60.0MB in the beginning and 59.9MB in the end (delta: 27.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 447.63ms. Allocated memory is still 88.1MB. Free memory was 52.7MB in the beginning and 52.1MB in the end (delta: 661.4kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.96ms. Allocated memory is still 88.1MB. Free memory was 52.1MB in the beginning and 50.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.07ms. Allocated memory is still 88.1MB. Free memory was 50.0MB in the beginning and 48.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 624.62ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 48.4MB in the beginning and 66.7MB in the end (delta: -18.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * TraceAbstraction took 4202.54ms. Allocated memory was 107.0MB in the beginning and 467.7MB in the end (delta: 360.7MB). Free memory was 66.0MB in the beginning and 164.9MB in the end (delta: -98.9MB). Peak memory consumption was 312.0MB. Max. memory is 16.1GB. * Witness Printer took 62.10ms. Allocated memory is still 467.7MB. Free memory was 164.9MB in the beginning and 159.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 732]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 732]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 735]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 747]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 747]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 762]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 762]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 765]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 770]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 770]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 777]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 777]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 780]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 809]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 809]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 811]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 815]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 815]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 815]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 815]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 815]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 817]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 194 locations, 53 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 33 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 115 IncrementalHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 2 mSDtfsCounter, 115 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=290occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 148 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 29 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 16:29:55,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE